http://www.php.net/manual/en/types.comparisons.php <http://www.php.net/manual/en/types.comparisons.php>The first table actually gives a very good understanding. --Shreyas On Wed, Jun 30, 2010 at 7:05 PM, Richard Quadling <rquadling@xxxxxxxxx>wrote: > On 30 June 2010 14:23, Daniel P. Brown <daniel.brown@xxxxxxxxxxxx> wrote: > > (Hint: isset != empty) > > More importantly ... > > isset != !empty > > $a = Null; > $b = ''; > // $c = undefined; > $d = 'Hello'; > > isset($a) = False vs True = empty($a) > isset($b) = True vs True = empty($b) > isset($c) = False vs True = empty($c) > isset($d) = True vs False = empty($d) > > > > -- > ----- > Richard Quadling > "Standing on the shoulders of some very clever giants!" > EE : http://www.experts-exchange.com/M_248814.html > EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp > Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731 > ZOPA : http://uk.zopa.com/member/RQuadling > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- Regards, Shreyas Agasthya